4358161439641 has 9 divisors (see below), whose sum is σ = 4364594526621. Its totient is φ = 4351737829824.

The previous prime is 4358161439633. The next prime is 4358161439651. The reversal of 4358161439641 is 1469341618534.

The square root of 4358161439641 is 2087621.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1295451436041 + 3062710003600 = 1138179^2 + 1750060^2 .

It is not a de Polignac number, because 4358161439641 - 2³ = 4358161439633 is a prime.

It is a super-2 number, since 2×4358161439641² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4358161439651) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2106408555 + ... + 2106410623.

Almost surely, 2^{4358161439641} is an apocalyptic number.

4358161439641 is the 2087621-st square number.

4358161439641 is the 1043811-st centered octagonal number.

It is an amenable number.

4358161439641 is a deficient number, since it is larger than the sum of its proper divisors (6433086980).

4358161439641 is an frugal number, since it uses more digits than its factorization.

4358161439641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156 (or 3078 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The spelling of 4358161439641 in words is "four trillion, three hundred fifty-eight billion, one hundred sixty-one million, four hundred thirty-nine thousand, six hundred forty-one".